FacesConfigurator version check incorrect
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Key: MYFACES-1896
URL: https://issues.apache.org/jira/browse/MYFACES-1896
Project: MyFaces Core
Issue Type: Bug
Affects Versions: 1.2.2
Reporter: Hilbert Schraal
The FacesConfigurator does some checks on whether there are multiple versions
of Tomahawk and MyFaces in the classpath. This check is incorrect, in the sense
that it can, and will, log incorrect error messages.
This problem occurs when using the jar from the tomahawk-facelets project
(http://code.google.com/p/tomahawk-facelets), of which I'm one of the
maintainers. The current release is called tomahawk-facelets-1.1.6.2.jar, which
gives the following error:
ERROR FacesConfigurator?:404 - You are using the MyFaces?-package : tomahawk in
different versions; first (and probably used) version is : 1.1.6, currently
encountered version is : facelets-taglib. This will cause undesired behaviour.
Please clean out your class-path. The first encountered version is loaded from
:
file:/G:/Development/IdeaProjects/blokart/out/exploded/blokartWeb/WEB-INF/lib/tomahawk-1.1.6.jar.
The currently encountered version is loaded from :
jar:file:/G:/Development/IdeaProjects/blokart/out/exploded/blokartWeb/WEB-INF/lib/tomahawk-facelets-taglib.jar!/META-INF/MANIFEST.MF
However, this jar just contains taglibs and some supporting class files. So the
error is logged without a valid reason.
I've looked at the code in the FacesConfigurator and have seen that the checks
can be improved, e.g. using the following regular expression for getting the
version number of Tomahawk: tomahawk-(\d\.\d\.\d)
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